Question 1

A laboratory calculation requires you to add $$(8.881 	imes 2.100) + 0.590. $$What is the correct answer, rounded to the proper number of significant figures?

Accepted Answer

$$19.1$$

Question 2

A patient’s urine sample has a volume of $$15.423 mL $$and a mass of $$2.74 g. $$What is the specific gravity of the urine?

Accepted Answer

$$0.178$$

Question 3

Convert $$16.7 cm$^3 to mm$^3. ($$Recall: $$1 cm$^3 = 1000 mm$^3)$$

Accepted Answer

$$16700$$\ $$mm^3$

Question 4

A diffusion coefficient is given as $$18.5 in$^2/$$min. What is this value in cm$$^2/s$$? (Use $$1 in$$ $$= 2.54 cm)$$

Accepted Answer

$$3.05$$\ $$cm^2/s$

Question 5

A car has an EPA mileage rating of $$26.0$$ miles per gallon. What is this rating in kilometers per liter? (Helpful conversions: $$1$$ mile $$= 1.609 km$$, $$1$$ gallon $$= 4 qt$$, $$1 L$$ $$= 1.06 qt)$$

Accepted Answer

$$11.0$$\ km/L$

Question 6

How many pounds are in $$3.5 kg$$? ($$1 lb$$ $$= 453.59 g)$$

Accepted Answer

Question 7

The density of gold (Au) is $$19.3 g/mL. $$What is the mass in kilograms of gold that will occupy $$950. mL$$?

Accepted Answer

$$18.3$$\ kg$

Question 8

Convert $$612 g to mg.$$

Accepted Answer

$$612000$$\ mg$

Question 9

Convert $$3779$$ \mu g$ to g.

Accepted Answer

$$0.003779$$\ g$

Question 10

Convert $$781 mL to L.$$

Accepted Answer

$$0.781$$\ L$

Question 11

Convert $$4.18 kg to g.$$

Accepted Answer

$$4180$$\ g$

Question 12

Convert $$27.8 m to km.$$

Accepted Answer

$$0.0278$$\ km$

Question 13

Convert $$0.13 mL to L.$$

Accepted Answer

$$0.00013$$\ L$

Question 14

Convert $$1738 km to m.$$

Accepted Answer

$$1,738,000$$\ m$

Question 15

Convert $$1.9 Gg to g. ($$Recall: $$1 Gg$$ $$= 10^9$ g)

Accepted Answer

$$1,900,000,000$$\ g$

Question 16

A hospital needs to prepare $$500 mL of a $$saline solution. If the density of the solution is $$1.05 g/mL$$, what is the total mass of the solution in grams?

Accepted Answer

$$525$$\ g$

Question 17

A medication is dosed at $$0.25 mg/kg. If a $$patient weighs $$70 kg$$, how many micrograms ($$\mug) $$should they receive?

Accepted Answer

$$17,500$$\ \mu g$

Question 18

A solution contains $$2.0 g of $$glucose in $$250 mL. $$What is the concentration in mg/mL?

Accepted Answer

$$8.0$$\ mg/mL$

Question 19

A patient receives $$500 mL of IV $$fluid over $$4$$ hours. What is the rate in mL/min?

Accepted Answer

$$2.08$$\ mL/min$

Dimensional Analysis and Unit Conversion Practice Guidance

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